Attributes

Brand	-
Category	Industrial Small Parts / Connectors and Fasteners
Origin	-
Material	Carbon Steel
Surface Treatment	Zinc Plated
Thread Specification	M6
Compatible Profile	2020/3030 Aluminum Extrusion
Shape	Square Sliding Block
Color	Silver
Package Quantity	50 Pieces
Weight	0.55 kg
Hardness Grade	8.8
Country of Origin	China

5 reviews

Anonymous

Apr 15, 2026

Rating: 5/5

Excellent for framing

Used these for a workbench build using 3030 profiles. They slid in smoothly and held the bolts securely without stripping.

Anonymous

Mar 30, 2026

Rating: 5/5

Smooth sliding action

They fit the T-slot perfectly. I was worried they might be too loose, but the grip is just right for adjustable positioning.

Anonymous

Mar 06, 2026

Rating: 4/5

Good but tight fit

Quality seems solid. Required a little force to slide them into the channel initially, but once in place, they are very stable.

Anonymous

Feb 13, 2026

Rating: 5/5

Strong hold

No slipping under load. I used these for a machine guard frame and everything stays tight even with vibration.

Anonymous

Jan 29, 2026

Rating: 5/5

Great value

Better than what I found at the local hardware store. The zinc coating looks uniform and the threads are clean.

5 FAQ

Q: Can I reuse them?

A: Yes, they can be slid out and repositioned along the profile channel easily.

Q: Is the thread internal or external?

A: These have internal threads designed to accept standard M6 bolts.

Q: Will these work with 4040 profiles?

A: These are best suited for 2020 and 3030 series profiles. For 4040, please check our larger block nut listing.

Q: Are they rust resistant?

A: The zinc plating offers basic corrosion resistance suitable for indoor use.

Q: What bolt size fits these?

A: M6 bolts are compatible with this set. Ensure the bolt length is appropriate for your profile thickness.

Explore your interests

Japan BPJ Imported Deep Groove Ball Bearings 6006 6007 6008 6009 6010 6011 ZZ RS P4

$23.31

PNY8LMK10 12 13 16 20 25 30 35 40LUU50 Extended Square Flange Linear Bearing Imported

$37.00

45# Medium Carbon Steel Straight Guide Bushing: Inner Diameter D10-D50, Shoulderless Straight Liner, Bushing, Steel Sleeve

$1.00

Heavy-Duty Galvanized Double Round Clamps for Utility Poles, Street Light Poles, Iron/Steel Pipes, Cable Flat Bar Fasteners

$28.00

304 Stainless Steel Hex Socket Screw Cup Head Bolt Cylinder Head Extended M2 M2.5 M3 M4 M5 M6 M8 M10mm

$1.43

German Imported YLV 304 Stainless Steel Corrosion-Resistant Bearings S6800/6801/6802/6803/6804/6805

$5.80

SWC Light/Heavy Duty Cross Shaft Universal Coupling, Universal Shaft, Drive Shaft, and Universal Joint

$220.00

T-Shaped Rubber Hexagonal Spider Coupling Elastic Block Polyurethane Buffer Pad Water Pump Shock Absorber Toughened Hex Pad

$5.00

Stainless Steel Bushings (Inner Dia: 2/2.5mm, Outer Dia: 4/5/6mm), Steel Guide Sleeves, Wear-Resistant Liners, Miniature Spacers

$2.00

Black 304 Stainless Steel Hex Nut, Flat Washer, and Spring Washer Kit M3-M10

$2.70

[M2-M20] Stainless Steel Spring Washer

$0.76

$Rubber Gear Coupling 14J\13J\12J\11J\10J\9J\8J\7J\6J\5J\4J\3J$

Rubber Gear Coupling 14J\13J\12J\11J\10J\9J\8J\7J\6J\5J\4J\3J

$15.00

Sunroom Column Base Steel Casting Embedded Parts 80 100 120 150 Special Square Tube Base Connector

$6.03

Black 304 Stainless Steel Smooth Cup Head Socket Screw, Unknurled Cylinder Bolt M2 M3 M4 M5 M6 M8

$3.50

Imported Extended Square Flange Linear Bearing Electroplated Rust-Resistant LMK8 10 16 20 25 30 35 40LUU

$12.20

Linear Shaft Guide Box-Type Slider Linear Bearing Steel Retainer Bronze Bushing SC8 12 13 16 22 53 35 45 0UU

$3.80

Guide Shaft Support Open-Type Flange Bearing Housing STHWRB Smooth Shaft Fixed Support GBJ Series Shaft Support

$11.00

Hardened Bearing Steel Bushing, Wear-Resistant Liner, High-Precision Guide Sleeve, Collar, and Spacer Set

$3.69

Imported Bearing Model Assortment: 6000RS, 6001 High-Speed, 6002 Motor, 6003, 6004, 6005, 6006

$2.50

25mm Round Stainless Steel Pipe Connector, Clothes Drying Rack Accessory, Display Stand Fastener, Shelf Fixing Two-Way Joint

$1.20

Miniature Ball Bearings with Shoulder Flange Catalog - Inner Diameters 2 3 4 5 6 7 8 9 10

$13.00

L-Type Jaw Coupling, Spider Coupling, High Torque, Black Oxide Finish, Free Shipping from Manufacturer

$7.00

MYT Meiyate Square Flange Linear Bearing LMK6 8 10 12 13 16 20AUU/LAUU Nickel-Plated Rust-Proof

$13.80

Extended Box-Type Slider Bearing Linear Rail SCS8 10 12 13 16 20 25 35 40 5060LUU

$6.80

304 Stainless Steel Countersunk Hex Socket Screw and Nut Set with Flat and Spring Washers

$1.29

Grade 12.9 External Hex Screws and Nuts Complete Set High-Strength Bolts with Flat and Spring Washers M6-M24

$9.03

304 Stainless Steel Nuts, Caps, Flat Washers, and Spring Washers - Sizes M3, M4, M5, M6, M8, M10, M12, M16, M18, M20, M22, M24, M30

$1.00

C&U Bearings for Automotive Alternators - SA608, 6201, 6202, 6302, 6303, 6304/2RSM/C3

$3.50

Plastic Hammer Head Nut M8 M10 Furniture Connector Embedded Fastener Hardware Accessories

$5.11

Multi-Spec Large Lubricated Copper Shaft Bushings - Centrifugal Cast Oil-Free Sleeves and Blank Bushings

$94.90

304 Stainless Steel Rivet Nuts, Aluminum Flat Head Rivnuts, Countersunk Rivet Nuts Assortment M3 M4 M5 M6 M8 M10

$0.91

Stainless Steel Angle Bracket 90-Degree L-Shaped Fixator Corner Iron Right-Angle Triangle Support Shelf Bracket Hardware Connector Plate T

$2.66

Assorted Screws and Nuts Kit M6 M8 M10 M12, Hex Head Screw, Nut, and Washer Combination Set

$5.69

Galvanized High-Strength Imperial Hex Flange Nuts UNC Grade 8, Anti-Slip Locking; UNF Fine Thread Nuts

$2.20

M3-M20 PVC External Hex Head Screws, Gray Insulated Bolts, Acid and Alkali Resistant Plastic Fasteners

$2.64

NSK High-Speed Imported Micro Bearings 605 606 607 608 609 ZZ Z1 Z2 Z3 Z4

$3.00

Aluminum Alloy Shaft Bushing, Washer, Tube Sleeve, Spacer Column, Casing, Flat Gasket, Retaining Ring, Aluminum Joint Sleeve M2 M3 M4 M5 M8-m12

$9.00

Phone Gimbal Shim, Screw Plate, Heavy-Duty Clamp Shim, Internal 1/4" Screw Pad, Nut Washer, Anti-Slip Fixation Pad

$2.80

Injection Molding Machine Parts ~ Large Pin Shaft ~ All Sizes Available ~ Steel Sleeve Matching ~ Bushing ~ Pin Shafts for All Models

$70.00

Guwanji Zinc-Plated Iron Cross Countersunk Screw, Nut, Flat Head Bolt, and Spring Washer Assortment M2-M12

$1.82